Cita APA (7a ed.)

Tillich, P. (1963). Christianity and the Encounter of the World Religions. Columbia University Press.

Cita Chicago Style (17a ed.)

Tillich, Paul. Christianity and the Encounter of the World Religions. New York: Columbia University Press, 1963.

Cita MLA (9a ed.)

Tillich, Paul. Christianity and the Encounter of the World Religions. Columbia University Press, 1963.